72918960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15991}}^1$

素因数の和:16026

約数の個数: 80

約数和(自身を含む): 237960960

約数和(自身を除く): 165042000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 15991, 31982, 47973, 63964, 79955, 95946, 127928, 159910, 191892, 239865, 255856, 303829, 319820, 383784, 479730, 607658, 639640, 767568, 911487, 959460, 1215316, 1279280, 1519145, 1822974, 1918920, 2430632, 3038290, 3645948, 3837840, 4557435, 4861264, 6076580, 7291896, 9114870, 12153160, 14583792, 18229740, 24306320, 36459480, 72918960]

約数ペア:

[(1, 72918960), (2, 36459480), (3, 24306320), (4, 18229740), (5, 14583792), (6, 12153160), (8, 9114870), (10, 7291896), (12, 6076580), (15, 4861264), (16, 4557435), (19, 3837840), (20, 3645948), (24, 3038290), (30, 2430632), (38, 1918920), (40, 1822974), (48, 1519145), (57, 1279280), (60, 1215316), (76, 959460), (80, 911487), (95, 767568), (114, 639640), (120, 607658), (152, 479730), (190, 383784), (228, 319820), (240, 303829), (285, 255856), (304, 239865), (380, 191892), (456, 159910), (570, 127928), (760, 95946), (912, 79955), (1140, 63964), (1520, 47973), (2280, 31982), (4560, 15991)]